The Foredom quick change handpiece H.20 is designed exclusively for burs and drills with 3/32" (2.35mm) shank. Quick Change handpieces allow you to change out accessories (burs, bits, cutters, drills, etc.) with only a momentary interruption in work and without the use of a chuck key or pin and wrench. A lever mechanism on the the handpiece body provides for quick and smooth opening for removal and replacement of your accessories. All it takes is a quick flip with your tumb. An indispensable tool in stone setting operations. It has a molded plastic front grip with tapered sides for easy and close handling, plus pre-lubricated ball bearings that do not require additional lubrication.
Specification:
Length: 5-5/8" long,
Diameter (center): 1-1/8"
Diameter (front taper): 3/8"
Collet: 3/32" (2.35 mm)
Weight 4 oz.
Ship wt. 8 oz.
Please view this YouTube video about adjusting collet on H.20 handpiece.
https://youtu.be/hnM1u4Wuf-A